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28
数据库/oracle/oracle创建数据库
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28
数据库/oracle/oracle创建数据库
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<<<<<<< HEAD
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创建数据库文件
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CREATE TABLESPACE insurance LOGGING DATAFILE '/data/database/orcl/insurance.dbf' SIZE 100M AUTOEXTEND ON NEXT 32M MAXSIZE 500M EXTENT MANAGEMENT LOCAL;
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创建数据库临时文件
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create temporary TABLESPACE insurance_temp tempfile '/data/database/orcl/insurance_temp.dbf' SIZE 100M AUTOEXTEND ON NEXT 32M MAXSIZE 500M EXTENT MANAGEMENT LOCAL;
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创建用户与上述两个文件形成映射关系
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CREATE USER insurance IDENTIFIED BY "Insur@nce#20" DEFAULT TABLESPACE insurance TEMPORARY TABLESPACE insurance_temp;
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添加用户权限
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grant connect,resource,dba to insurance;
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=======
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创建数据库文件
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CREATE TABLESPACE insurance LOGGING DATAFILE '/data/database/orcl/insurance.dbf' SIZE 100M AUTOEXTEND ON NEXT 32M MAXSIZE 500M EXTENT MANAGEMENT LOCAL;
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创建数据库临时文件
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create temporary TABLESPACE insurance_temp tempfile '/data/database/orcl/insurance_temp.dbf' SIZE 100M AUTOEXTEND ON NEXT 32M MAXSIZE 500M EXTENT MANAGEMENT LOCAL;
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创建用户与上述两个文件形成映射关系
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CREATE USER insurance IDENTIFIED BY "Insur@nce#20" DEFAULT TABLESPACE insurance TEMPORARY TABLESPACE insurance_temp;
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添加用户权限
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grant connect,resource,dba to insurance;
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>>>>>>> 28bec05... 20200611
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grant create session to insurance;
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57
数据库/oracle/oracle启动与登陆.txt
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57
数据库/oracle/oracle启动与登陆.txt
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1.进入到sqlplus启动实例
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[oracle@redhat ~]$ su - oracle --“切换到oracle用户”
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Password:
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[oracle@redhat ~]$ lsnrctl start --“打开监听”
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LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 14-OCT-2009 19:06:40
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Copyright (c) 1991, 2005, Oracle. All rights reserved.
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Starting /home/oracle/product/10g/bin/tnslsnr: please wait...
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TNSLSNR for Linux: Version 10.2.0.1.0 - Production
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System parameter file is /home/oracle/product/10g/network/admin/listener.ora
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Log messages written to /home/oracle/product/10g/network/log/listener.log
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Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC2)))
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Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=redhat)(PORT=1522)))
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Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC2)))
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STATUS of the LISTENER
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------------------------
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Alias LISTENER
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Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production
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Start Date 14-OCT-2009 19:06:40
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Uptime 0 days 0 hr. 0 min. 0 sec
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Trace Level off
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Security ON: Local OS Authentication
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SNMP OFF
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Listener Parameter File /home/oracle/product/10g/network/admin/listener.ora
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Listener Log File /home/oracle/product/10g/network/log/listener.log
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Listening Endpoints Summary...
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(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC2)))
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(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=redhat)(PORT=1522)))
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Services Summary...
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Service "PLSExtProc" has 1 instance(s).
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Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
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The command completed successfully
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[oracle@redhat ~]$ sqlplus /nolog --“进入到sqlplus”
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SQL*Plus: Release 10.2.0.1.0 - Production on Wed Oct 14 19:06:45 2009
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Copyright (c) 1982, 2005, Oracle. All rights reserved.
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SQL> conn /as sysdba --“连接到sysdba”
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Connected to an idle instance.
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SQL> startup --“启动数据库实例”
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ORACLE instance started.
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Total System Global Area 285212672 bytes
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Fixed Size 1218968 bytes
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Variable Size 88082024 bytes
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Database Buffers 188743680 bytes
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Redo Buffers 7168000 bytes
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Database mounted.
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Database opened.
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SQL> shutdown immediate --“关闭数据库实例”
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Database closed.
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Database dismounted.
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ORACLE instance shut down.
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SQL> exit
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Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
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With the Partitioning, OLAP and Data Mining options
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[oracle@redhat ~]$ lsnrctl stop --“关闭监听”
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LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 14-OCT-2009 19:08:06
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Copyright (c) 1991, 2005, Oracle. All rights reserved.
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Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC2)))
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The command completed successfully
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12
数据库/oracle/oracle基本操作.md
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12
数据库/oracle/oracle基本操作.md
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### 添加select权限
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```
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grant select on USER1.TABLE to USER2;
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```
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### 添加创建同义词权限
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```
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grant create synonym to USER2;
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```
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### 创建同义词
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```
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create or replace synonym TABLE for USER1.TABLE;
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```
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1
数据库/oracle/oracle导出数据.txt
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1
数据库/oracle/oracle导出数据.txt
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exp user/pwd@dbname file=d:text.dmp owner=(user)
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BIN
数据库/oracle/oracle数据库数据导入导出步骤（入门） - CSDN博客.pdf
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BIN
数据库/oracle/oracle数据库数据导入导出步骤（入门） - CSDN博客.pdf
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86
数据库/oracle/oracle表空间扩容.md
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86
数据库/oracle/oracle表空间扩容.md
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```sql
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# 查询表空间
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SELECT TABLESPACE_NAME "表空间",
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To_char(Round(BYTES / 1024, 2), '99990.00')
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|| '' "实有",
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To_char(Round(FREE / 1024, 2), '99990.00')
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|| 'G' "现有",
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To_char(Round(( BYTES - FREE ) / 1024, 2), '99990.00')
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|| 'G' "使用",
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To_char(Round(10000 * USED / BYTES) / 100, '99990.00')
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|| '%' "比例"
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FROM (SELECT A.TABLESPACE_NAME TABLESPACE_NAME,
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Floor(A.BYTES / ( 1024 * 1024 )) BYTES,
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Floor(B.FREE / ( 1024 * 1024 )) FREE,
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Floor(( A.BYTES - B.FREE ) / ( 1024 * 1024 )) USED
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FROM (SELECT TABLESPACE_NAME TABLESPACE_NAME,
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Sum(BYTES) BYTES
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FROM DBA_DATA_FILES
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GROUP BY TABLESPACE_NAME) A,
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(SELECT TABLESPACE_NAME TABLESPACE_NAME,
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Sum(BYTES) FREE
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FROM DBA_FREE_SPACE
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GROUP BY TABLESPACE_NAME) B
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WHERE A.TABLESPACE_NAME = B.TABLESPACE_NAME)
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--WHERE TABLESPACE_NAME LIKE 'CDR%' --这一句用于指定表空间名称
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ORDER BY Floor(10000 * USED / BYTES) DESC;
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```
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```
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set linesize 140 pagesize 10000
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col "Status" for a10
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col "Name" for a25
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col "Type" for a10
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col "Extent" for a15
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col "Size(M)" for a15
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col "Used(M)" for a15
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col "Used(%)" for a20
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col "Maxused(%)" for a20
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SELECT d.status "Status", d.tablespace_name "Name", d.contents "Type", d.extent_management "Extent",
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TO_CHAR(NVL(a.bytes / 1024 / 1024, 0),'99,999,990') "Size(M)",
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TO_CHAR(NVL(a.bytes - NVL(f.bytes, 0), 0)/1024/1024,'999,999,999') "Used(M)",
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TO_CHAR(NVL((a.bytes - NVL(f.bytes, 0)) / a.bytes * 100, 0), '900.00') "Used(%)",
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TO_CHAR(100-((a.maxbytes - a.bytes + f.bytes) / a.maxbytes * 100), '900.00') "Maxused(%)"
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FROM sys.dba_tablespaces d,
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(select tablespace_name, sum(bytes) bytes,sum(decode(autoextensible, 'YES',maxbytes,'NO', bytes)) maxbytes from dba_data_files group by tablespace_name) a,
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(select tablespace_name, sum(bytes) bytes from dba_free_space group by tablespace_name) f
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WHERE d.tablespace_name = a.tablespace_name(+) AND d.tablespace_name = f.tablespace_name(+) AND NOT
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(d.extent_management like 'LOCAL' AND d.contents like 'TEMPORARY')
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UNION ALL
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SELECT d.status "Status", d.tablespace_name "Name", d.contents "Type", d.extent_management "Extent",
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TO_CHAR(NVL(a.bytes / 1024 / 1024, 0),'99,999,999') "Size(M)",
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TO_CHAR(NVL(t.bytes,0)/1024/1024,'999,999,999') "Used(M)",
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TO_CHAR(NVL(t.bytes / a.bytes * 100, 0), '990.00') "Used(%)" ,
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TO_CHAR(NVL(t.bytes / a.maxbytes * 100, 0), '990.00') "Maxused(%)"
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FROM sys.dba_tablespaces d,
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(select tablespace_name, sum(bytes) bytes,sum(decode(autoextensible, 'YES',maxbytes,'NO', bytes)) maxbytes from dba_temp_files group by tablespace_name) a,
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(select tablespace_name, sum(bytes_cached) bytes from v$temp_extent_pool group by tablespace_name) t
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WHERE d.tablespace_name = a.tablespace_name(+) AND d.tablespace_name = t.tablespace_name(+) AND
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d.extent_management like 'LOCAL' AND d.contents like 'TEMPORARY'
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ORDER BY 7;
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```
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```sql
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# 查询表空间文件及目录
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select
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b.file_name 物理文件名,
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b.tablespace_name 表空间,
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b.bytes/1024/1024 大小M,
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(b.bytes-sum(nvl(a.bytes,0)))/1024/1024 已使用M,
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substr((b.bytes-sum(nvl(a.bytes,0)))/(b.bytes)*100,1,5) 利用率
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from dba_free_space a,dba_data_files b
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where a.file_id=b.file_id
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group by b.tablespace_name,b.file_name,b.bytes
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order by b.tablespace_name;
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```
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```
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select tablespace_name,file_id,bytes/1024/1024,file_name from dba_data_files order by file_id;
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```
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```sql
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# 增加表空间文件
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ALTER TABLESPACE [表空间名称] ADD DATAFILE '数据文件路径' SIZE 8G;
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```
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```sql
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# 查询归档日志空间使用情况
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select to_char(next_time, 'yyyy-mm-dd') hourtime, round(sum(blocks * block_size) / 1024 / 1024 / 1024) archlog_GB from v$archived_log where dest_id = 1 and next_time > sysdate - 15 group by to_char(next_time, 'yyyy-mm-dd') order by to_char(next_time, 'yyyy-mm-dd');
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```
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12
数据库/oracle/oracle锁表问题.md
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12
数据库/oracle/oracle锁表问题.md
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## 查询被锁定的表
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```
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select b.owner,b.object_name,a.session_id,a.locked_mode from v$locked_object a,dba_objects b where b.object_id = a.object_id;
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```
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## 查询发生锁定表的会话及序列号
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```
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select b.username,b.sid,b.serial#,logon_time from v$locked_object a,v$session b where a.session_id = b.sid order by b.logon_time;
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```
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## 结束产生锁表的会话
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```
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alter system kill session 'SID,SERIAL#';
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```
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21
数据库/oracle/查询资源所属用户.md
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21
数据库/oracle/查询资源所属用户.md
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## 查询表所属用户
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```
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SELECT * FROM DBA_TABLES WHERE TABLE_NAME='表名';
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```
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```
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SELECT * FROM ALL_OBJECTS WHERE OBJECT_TYPE='TABLE' and OBJECT_NAME='表名'
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```
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```
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select owner from dba_tables where table_name=upper('表名');
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```
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## 查询视图所属用户
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```
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SELECT * FROM ALL_VIEWS WHERE VIEW_NAME='视图名';
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```
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```
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SELECT * FROM ALL_OBJECTS WHERE OBJECT_TYPE='VIEW' and OBJECT_NAME='视图名'
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```
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## 查询存储过程所属用户
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```
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SELECT * FROM ALL_OBJECTS WHERE OBJECT_TYPE='PROCEDURE' and OBJECT_NAME='存储过程名'
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```
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